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SCHEDULE 13D/AAccepted Jun 2, 7:29 PM ET

AMTECH SYSTEMS INC SCHEDULE 13D/A

PITON CAPITAL PARTNERS LLC

sec.gov(opens the filing on sec.gov)

Accepted (ET)

7:29 PM

Jun 2, 2026

Filed

Jun 2, 2026

Documents

2

Size

49.8 KB

Summary

Summary not available

This filing does not have a written summary yet. You can still open the original filing and its exhibits.